Abstract: The present disclosure relates to a bone conduction speaker and its compound vibration device. The compound vibration device comprises a vibration conductive plate and a vibration board, the vibration conductive plate is set to be the first torus, where at least two first rods inside it converge to its center; the vibration board is set as the second torus, where at least two second rods inside it converge to its center. The vibration conductive plate is fixed with the vibration board; the first torus is fixed on a magnetic system, and the second torus comprises a fixed voice coil, which is driven by the magnetic system. The bone conduction speaker in the present disclosure and its compound vibration device adopt the fixed vibration conductive plate and vibration board, making the technique simpler with a lower cost; because the two adjustable parts in the compound vibration device can adjust both low frequency and high frequency area, the frequency response obtained is flatter and the sound is broader.

Abstract: The present disclosure discloses a method and a system for generating a composite PET-CT image based on a non-attenuation-corrected PET image. The method includes: constructing a first generative adversarial network and a second generative adversarial network; obtaining a mapping relationship between a non-attenuation-corrected PET image and an attenuation-corrected PET image by training the first generative adversarial network; obtaining a mapping relationship between the attenuation-corrected PET image and a CT image by training the second generative adversarial network; and generating the composite PET-CT image by utilizing the obtained mapping relationships. According to the present disclosure, a high-quality PET-CT image can be directly composited from a non-attenuation-corrected PET image, and medical costs can be reduced for patients, and radiation doses applied to the patients in examination processes can be minimized.

Abstract: In a method for performing visual programming, applicable to a terminal, a target role in a visual layout region of a target interface is determined. An event building block set is displayed in an event building block triggering region of the target interface. In response to detecting a selection operation on a first event building block in the event building block set, the first event building block corresponding to the target role is added to a visual programming region of the target interface. In response to detecting a selection operation on a first function building block in at least one function building block corresponding to the first event building block displayed in a function building block triggering region of the target interface, the first function building block corresponding to the target role is added to the visual programming region.

Abstract: A posture prediction method includes: acquiring an action area in the scene image by acquiring a scene image obtained by scanning a three-dimensional scene, acquiring an action label corresponding to the action area, the action label is configured to represent the action performed by the human body in the action area, acquiring posture data according to the action area and the action label, acquiring a human body posture model according to the posture data, and mapping the human body posture model into the three-dimensional scene according to the action area and the posture data.

Abstract: A face key point detection method includes determining, according to an image containing a face, a multi-channel feature map of the image; converting the multi-channel feature map into a predetermined channel quantity of target feature maps; performing a convolution operation on each target feature map in the predetermined channel quantity of target feature maps by using a convolution kernel corresponding to each target feature map; generating a feature vector corresponding to the image based on a result of the convolution operation on each target feature map; and determining key point coordinates of the face on the image according to the feature vector.

Abstract: The present disclosure relates to a bone conduction speaker and its compound vibration device. The compound vibration device comprises a vibration conductive plate and a vibration board, the vibration conductive plate is set to be the first torus, where at least two first rods inside it converge to its center; the vibration board is set as the second torus, where at least two second rods inside it converge to its center. The vibration conductive plate is fixed with the vibration board; the first torus is fixed on a magnetic system, and the second torus comprises a fixed voice coil, which is driven by the magnetic system. The bone conduction speaker in the present disclosure and its compound vibration device adopt the fixed vibration conductive plate and vibration board, making the technique simpler with a lower cost; because the two adjustable parts in the compound vibration device can adjust both low frequency and high frequency area, the frequency response obtained is flatter and the sound is broader.

Abstract: The present disclosure provides a microphone apparatus. The microphone apparatus may include a microphone and a vibration sensor. The microphone may be configured to receive a first signal including a voice signal and a first vibration signal. The vibration sensor may be configured to receive a second vibration signal. And the microphone and the vibration sensor are configured such that the first vibration signal may be offset with the second vibration signal.

Abstract: The present disclosure relates to a bone conduction speaker and its compound vibration device. The compound vibration device comprises a vibration conductive plate and a vibration board, the vibration conductive plate is set to be the first torus, where at least two first rods inside it converge to its center; the vibration board is set as the second torus, where at least two second rods inside it converge to its center. The vibration conductive plate is fixed with the vibration board; the first torus is fixed on a magnetic system, and the second torus comprises a fixed voice coil, which is driven by the magnetic system. The bone conduction speaker in the present disclosure and its compound vibration device adopt the fixed vibration conductive plate and vibration board, making the technique simpler with a lower cost; because the two adjustable parts in the compound vibration device can adjust both low frequency and high frequency area, the frequency response obtained is flatter and the sound is broader.

Abstract: A speaker comprises a housing, a transducer residing inside the housing, and at least one sound guiding hole located on the housing. The transducer generates vibrations. The vibrations produce a sound wave inside the housing and cause a leaked sound wave spreading outside the housing from a portion of the housing. The at least one sound guiding hole guides the sound wave inside the housing through the at least one sound guiding hole to an outside of the housing. The guided sound wave interferes with the leaked sound wave in a target region. The interference at a specific frequency relates to a distance between the at least one sound guiding hole and the portion of the housing.

Abstract: The present disclosure relates to a bone conduction speaker and its compound vibration device. The compound vibration device comprises a vibration conductive plate and a vibration board, the vibration conductive plate is set to be the first torus, where at least two first rods inside it converge to its center; the vibration board is set as the second torus, where at least two second rods inside it converge to its center. The vibration conductive plate is fixed with the vibration board; the first torus is fixed on a magnetic system, and the second torus comprises a fixed voice coil, which is driven by the magnetic system. The bone conduction speaker in the present disclosure and its compound vibration device adopt the fixed vibration conductive plate and vibration board, making the technique simpler with a lower cost; because the two adjustable parts in the compound vibration device can adjust both low frequency and high frequency area, the frequency response obtained is flatter and the sound is broader.

Abstract: A virtual scene display method, includes obtaining, an adsorption region of a target virtual object in response to detection of a viewing-angle adjustment operation. The method further includes obtaining, in response to a determination that an aiming point is located in the adsorption region of the target virtual object, a target rotation speed of a viewing angle of a virtual scene according to a location of the aiming point, a location of the target virtual object, and the viewing-angle adjustment operation. Further, the method includes displaying, with the circuitry of the electronic device, a target virtual scene based on the target rotation speed of the viewing angle.

Abstract: The disclosure provides a pixel structure, including a plurality of first pixels and a plurality of second pixels arranged in an array manner. The pixel structure includes a first direction and a second direction. The first pixels and the second pixels are alternately disposed along the first direction. An even number of the first pixels are arranged in a side-by-side manner along the second direction to form a first unit, an even number of the second pixels are arranged in a side-by-side manner along the second direction to form a second unit, and the first unit and the second unit are alternately disposed.

Abstract: A method for detecting a blocking state of an image acquisition device, an electronic device, and a computer storage medium are provided. The method includes: an image acquired by an image acquisition device is obtained; and it is determined, according to the acquired image, whether the image acquisition device is in a blocked state.

Abstract: The present invention relates to a bone conduction speaker and its compound vibration device. The compound vibration device comprises a vibration conductive plate and a vibration board, the vibration conductive plate is set to be the first torus, where at least two first rods inside it converge to its center; the vibration board is set as the second torus, where at least two second rods inside it converge to its center. The vibration conductive plate is fixed with the vibration board; the first torus is fixed on a magnetic system, and the second torus comprises a fixed voice coil, which is driven by the magnetic system. The bone conduction speaker in the present invention and its compound vibration device adopt the fixed vibration conductive plate and vibration board, making the technique simpler with a lower cost; because the two adjustable parts in the compound vibration device can adjust both low frequency and high frequency area, the frequency response obtained is flatter and the sound is broader.

Abstract: A medical apparatus, comprising: a memory, which pre-stores multiple working modes, wherein the working modes comprise a plurality of workflows, tools associated with the workflows, and constraint relationships for executing the workflows; and a processor, if the working state of the medical device meets a switching condition, switching is performed among multiple working modes; when a switched working mode is executed, each workflow is executed in sequence according to constraint conditions for executing each workflow in a workflow set, and when each workflow is executed, the tools associated with the workflows are called.

Abstract: This disclosure includes an assist function enabling method and apparatus, a device, and a readable storage medium, and relates to the field of games. In the method, target data that is generated according to a target operation in a game application is obtained. A game assist function is enabled in response to the target data matching a trigger condition of an assist function trigger. The target data indicates an execution completion status of the target operation, and the game assist function is configured to assist in executing the target operation. Further, the target operation is automatically executed, in the game application, according to the game assist function in a case that a game operation meets an execution condition of the target operation.

Abstract: A three-dimensional object reconstruction method, applied to a terminal device or a server, is provided. The method includes obtaining a plurality of video frames of an object; determining three-dimensional location information of key points of the object in the plurality of video frames and physical meaning information of the key points, the physical meaning information indicating respective positions of the object; determining a correspondence between the key points having the same physical meaning information in the plurality of video frames; and generating a three-dimensional object according to the correspondence and the three-dimensional location information of the key points.

Abstract: The present disclosure relates to a bone conduction speaker and its compound vibration device. The compound vibration device comprises a vibration conductive plate and a vibration board, the vibration conductive plate is set to be the first torus, where at least two first rods inside it converge to its center; the vibration board is set as the second torus, where at least two second rods inside it converge to its center. The vibration conductive plate is fixed with the vibration board; the first torus is fixed on a magnetic system, and the second torus comprises a fixed voice coil, which is driven by the magnetic system. The bone conduction speaker in the present disclosure and its compound vibration device adopt the fixed vibration conductive plate and vibration board, making the technique simpler with a lower cost; because the two adjustable parts in the compound vibration device can adjust both low frequency and high frequency area, the frequency response obtained is flatter and the sound is broader.

Abstract: This invention proposes a microphone integrated assembly used in a motor vehicle, which comprises a main application printed circuit board, a microphone printed circuit board implementing one or more microphones, and a compression type interconnector which is compressively assembled between the main application printed circuit board and the microphone printed circuit board such as to electrically connect the microphone printed circuit board and the main application printed circuit board. The compression type interconnector acts as an acoustic insulator, which mechanically decouple the microphone printed circuit board from the main application printed circuit board and prevents vibrations which source in the main application printed circuit board from coupling with the microphone printed circuit board, leading to decreased acoustic noise and improved microphone acoustic performance.